127842140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{206197}}^1$

素因数の和:206237

約数の個数: 24

約数和(自身を含む): 277130112

約数和(自身を除く): 149287972

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 206197, 412394, 824788, 1030985, 2061970, 4123940, 6392107, 12784214, 25568428, 31960535, 63921070, 127842140]

約数ペア:

[(1, 127842140), (2, 63921070), (4, 31960535), (5, 25568428), (10, 12784214), (20, 6392107), (31, 4123940), (62, 2061970), (124, 1030985), (155, 824788), (310, 412394), (620, 206197)]